src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection = NULL;
  34
  35 struct connman_device {
  36         struct connman_element element;
  37         enum connman_device_type type;
  38         enum connman_device_mode mode;
  39         connman_bool_t secondary;
  40         connman_bool_t offlinemode;
  41         connman_bool_t blocked;
  42         connman_bool_t powered;
  43         connman_bool_t powered_pending;
  44         connman_bool_t powered_persistent;
  45         connman_bool_t scanning;
  46         connman_bool_t disconnected;
  47         connman_bool_t reconnect;
  48         connman_uint16_t scan_interval;
  49         char *name;
  50         char *node;
  51         char *address;
  52         char *interface;
  53         char *control;
  54         char *ident;
  55         int phyindex;
  56         unsigned int connections;
  57         guint scan_timeout;
  58
  59         struct connman_device_driver *driver;
  60         void *driver_data;
  61
  62         connman_bool_t registered;
  63
  64         char *last_network;
  65         struct connman_network *network;
  66         GHashTable *networks;
  67
  68         DBusMessage *pending;
  69         guint timeout;
  70 };
  71
  72 static gboolean device_scan_trigger(gpointer user_data)
  73 {
  74         struct connman_device *device = user_data;
  75
  76         DBG("device %p", device);
  77
  78         if (device->driver == NULL) {
  79                 device->scan_timeout = 0;
  80                 return FALSE;
  81         }
  82
  83         if (device->driver->scan)
  84                 device->driver->scan(device);
  85
  86         return TRUE;
  87 }
  88
  89 static void clear_scan_trigger(struct connman_device *device)
  90 {
  91         if (device->scan_timeout > 0) {
  92                 g_source_remove(device->scan_timeout);
  93                 device->scan_timeout = 0;
  94         }
  95 }
  96
  97 static void reset_scan_trigger(struct connman_device *device)
  98 {
  99         clear_scan_trigger(device);
 100
 101         if (device->scan_interval > 0) {
 102                 guint interval = device->scan_interval;
 103                 device->scan_timeout = g_timeout_add_seconds(interval,
 104                                         device_scan_trigger, device);
 105         }
 106 }
 107
 108 static void force_scan_trigger(struct connman_device *device)
 109 {
 110         clear_scan_trigger(device);
 111
 112         device->scan_timeout = g_timeout_add_seconds(5,
 113                                         device_scan_trigger, device);
 114 }
 115
 116 void connman_device_schedule_scan(struct connman_device *device)
 117 {
 118         reset_scan_trigger(device);
 119 }
 120
 121 static const char *type2description(enum connman_device_type type)
 122 {
 123         switch (type) {
 124         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 125         case CONNMAN_DEVICE_TYPE_VENDOR:
 126                 break;
 127         case CONNMAN_DEVICE_TYPE_ETHERNET:
 128                 return "Ethernet";
 129         case CONNMAN_DEVICE_TYPE_WIFI:
 130                 return "Wireless";
 131         case CONNMAN_DEVICE_TYPE_WIMAX:
 132                 return "WiMAX";
 133         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 134                 return "Bluetooth";
 135         case CONNMAN_DEVICE_TYPE_GPS:
 136                 return "GPS";
 137         case CONNMAN_DEVICE_TYPE_MBM:
 138         case CONNMAN_DEVICE_TYPE_CELLULAR:
 139         case CONNMAN_DEVICE_TYPE_HSO:
 140         case CONNMAN_DEVICE_TYPE_NOZOMI:
 141         case CONNMAN_DEVICE_TYPE_HUAWEI:
 142         case CONNMAN_DEVICE_TYPE_NOVATEL:
 143                 return "Cellular";
 144         }
 145
 146         return NULL;
 147 }
 148
 149 static const char *type2string(enum connman_device_type type)
 150 {
 151         switch (type) {
 152         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 153         case CONNMAN_DEVICE_TYPE_VENDOR:
 154                 break;
 155         case CONNMAN_DEVICE_TYPE_ETHERNET:
 156                 return "ethernet";
 157         case CONNMAN_DEVICE_TYPE_WIFI:
 158                 return "wifi";
 159         case CONNMAN_DEVICE_TYPE_WIMAX:
 160                 return "wimax";
 161         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 162                 return "bluetooth";
 163         case CONNMAN_DEVICE_TYPE_GPS:
 164                 return "gps";
 165         case CONNMAN_DEVICE_TYPE_MBM:
 166         case CONNMAN_DEVICE_TYPE_CELLULAR:
 167         case CONNMAN_DEVICE_TYPE_HSO:
 168         case CONNMAN_DEVICE_TYPE_HUAWEI:
 169         case CONNMAN_DEVICE_TYPE_NOZOMI:
 170         case CONNMAN_DEVICE_TYPE_NOVATEL:
 171                 return "cellular";
 172         }
 173
 174         return NULL;
 175 }
 176
 177 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 178 {
 179         enum connman_device_type type = connman_device_get_type(device);
 180
 181         switch (type) {
 182         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 183         case CONNMAN_DEVICE_TYPE_VENDOR:
 184         case CONNMAN_DEVICE_TYPE_GPS:
 185         case CONNMAN_DEVICE_TYPE_NOZOMI:
 186         case CONNMAN_DEVICE_TYPE_HUAWEI:
 187         case CONNMAN_DEVICE_TYPE_NOVATEL:
 188                 break;
 189         case CONNMAN_DEVICE_TYPE_ETHERNET:
 190                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 191         case CONNMAN_DEVICE_TYPE_WIFI:
 192                 return CONNMAN_SERVICE_TYPE_WIFI;
 193         case CONNMAN_DEVICE_TYPE_WIMAX:
 194                 return CONNMAN_SERVICE_TYPE_WIMAX;
 195         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 196                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 197         case CONNMAN_DEVICE_TYPE_MBM:
 198         case CONNMAN_DEVICE_TYPE_CELLULAR:
 199         case CONNMAN_DEVICE_TYPE_HSO:
 200                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 201         }
 202
 203         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 204 }
 205
 206 static int powered_changed(struct connman_device *device)
 207 {
 208         DBusMessage *signal;
 209         DBusMessageIter entry, value;
 210         const char *key = "Powered";
 211
 212         signal = dbus_message_new_signal(device->element.path,
 213                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 214         if (signal == NULL)
 215                 return -ENOMEM;
 216
 217         dbus_message_iter_init_append(signal, &entry);
 218
 219         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 220
 221         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 222                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 223         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 224                                                         &device->powered);
 225         dbus_message_iter_close_container(&entry, &value);
 226
 227         g_dbus_send_message(connection, signal);
 228
 229         return 0;
 230 }
 231
 232 static int set_powered(struct connman_device *device, connman_bool_t powered)
 233 {
 234         struct connman_device_driver *driver = device->driver;
 235         enum connman_service_type type;
 236         int err;
 237
 238         DBG("device %p powered %d", device, powered);
 239
 240         if (device->powered_pending == powered)
 241                 return -EALREADY;
 242
 243         if (!driver)
 244                 return -EINVAL;
 245
 246         type = __connman_device_get_service_type(device);
 247
 248         if (powered == TRUE) {
 249                 if (driver->enable) {
 250                         device->powered_pending = powered;
 251
 252                         err = driver->enable(device);
 253                         if (err == 0)
 254                                 __connman_notifier_enable(type);
 255                 } else
 256                         err = -EINVAL;
 257         } else {
 258                 device->powered_pending = powered;
 259
 260                 device->reconnect = FALSE;
 261
 262                 clear_scan_trigger(device);
 263
 264                 g_hash_table_remove_all(device->networks);
 265
 266                 if (driver->disable) {
 267                         err = driver->disable(device);
 268                         if (err == 0)
 269                                 __connman_notifier_disable(type);
 270                 } else
 271                         err = -EINVAL;
 272         }
 273
 274         if (err == 0) {
 275                 device->powered = powered;
 276
 277                 if (device->registered == TRUE)
 278                         powered_changed(device);
 279         }
 280
 281         return err;
 282 }
 283
 284 static void append_path(gpointer key, gpointer value, gpointer user_data)
 285 {
 286         struct connman_element *element = value;
 287         DBusMessageIter *iter = user_data;
 288
 289         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 290                                                         &element->path);
 291 }
 292
 293 static void append_networks(struct connman_device *device,
 294                                                 DBusMessageIter *entry)
 295 {
 296         DBusMessageIter value, iter;
 297         const char *key = "Networks";
 298
 299         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 300
 301         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 302                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 303                                                                 &value);
 304
 305         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 306                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 307         g_hash_table_foreach(device->networks, append_path, &iter);
 308         dbus_message_iter_close_container(&value, &iter);
 309
 310         dbus_message_iter_close_container(entry, &value);
 311 }
 312
 313 static DBusMessage *get_properties(DBusConnection *conn,
 314                                         DBusMessage *msg, void *data)
 315 {
 316         struct connman_device *device = data;
 317         DBusMessage *reply;
 318         DBusMessageIter array, dict, entry;
 319         const char *str;
 320
 321         DBG("conn %p", conn);
 322
 323         if (__connman_security_check_privilege(msg,
 324                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 325                 return __connman_error_permission_denied(msg);
 326
 327         reply = dbus_message_new_method_return(msg);
 328         if (reply == NULL)
 329                 return NULL;
 330
 331         dbus_message_iter_init_append(reply, &array);
 332
 333         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 334                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 335                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 336                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 337
 338         if (device->name != NULL)
 339                 connman_dbus_dict_append_variant(&dict, "Name",
 340                                         DBUS_TYPE_STRING, &device->name);
 341
 342         str = type2string(device->type);
 343         if (str != NULL)
 344                 connman_dbus_dict_append_variant(&dict, "Type",
 345                                                 DBUS_TYPE_STRING, &str);
 346
 347         if (device->address != NULL)
 348                 connman_dbus_dict_append_variant(&dict, "Address",
 349                                         DBUS_TYPE_STRING, &device->address);
 350
 351         if (device->interface != NULL)
 352                 connman_dbus_dict_append_variant(&dict, "Interface",
 353                                         DBUS_TYPE_STRING, &device->interface);
 354
 355         connman_dbus_dict_append_variant(&dict, "Powered",
 356                                         DBUS_TYPE_BOOLEAN, &device->powered);
 357
 358         if (device->driver && device->driver->scan)
 359                 connman_dbus_dict_append_variant(&dict, "Scanning",
 360                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 361
 362         switch (device->mode) {
 363         case CONNMAN_DEVICE_MODE_UNKNOWN:
 364                 break;
 365         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 366         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 367                 if (device->scan_interval > 0)
 368                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 369                                 DBUS_TYPE_UINT16, &device->scan_interval);
 370
 371                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 372                                                                 NULL, &entry);
 373                 append_networks(device, &entry);
 374                 dbus_message_iter_close_container(&dict, &entry);
 375                 break;
 376         }
 377
 378         dbus_message_iter_close_container(&array, &dict);
 379
 380         return reply;
 381 }
 382
 383 static gboolean powered_timeout(gpointer user_data)
 384 {
 385         struct connman_device *device = user_data;
 386
 387         DBG("device %p", device);
 388
 389         device->timeout = 0;
 390
 391         if (device->pending != NULL) {
 392                 DBusMessage *reply;
 393
 394                 reply = __connman_error_operation_timeout(device->pending);
 395                 if (reply != NULL)
 396                         g_dbus_send_message(connection, reply);
 397
 398                 dbus_message_unref(device->pending);
 399                 device->pending = NULL;
 400         }
 401
 402         return FALSE;
 403 }
 404
 405 static DBusMessage *set_property(DBusConnection *conn,
 406                                         DBusMessage *msg, void *data)
 407 {
 408         struct connman_device *device = data;
 409         DBusMessageIter iter, value;
 410         const char *name;
 411         int type;
 412
 413         DBG("conn %p", conn);
 414
 415         if (dbus_message_iter_init(msg, &iter) == FALSE)
 416                 return __connman_error_invalid_arguments(msg);
 417
 418         dbus_message_iter_get_basic(&iter, &name);
 419         dbus_message_iter_next(&iter);
 420         dbus_message_iter_recurse(&iter, &value);
 421
 422         if (__connman_security_check_privilege(msg,
 423                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 424                 return __connman_error_permission_denied(msg);
 425
 426         type = dbus_message_iter_get_arg_type(&value);
 427
 428         if (g_str_equal(name, "Powered") == TRUE) {
 429                 connman_bool_t powered;
 430                 int err;
 431
 432                 if (type != DBUS_TYPE_BOOLEAN)
 433                         return __connman_error_invalid_arguments(msg);
 434
 435                 dbus_message_iter_get_basic(&value, &powered);
 436
 437                 device->powered_persistent = powered;
 438
 439                 __connman_storage_save_device(device);
 440
 441                 if (device->powered == powered)
 442                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 443
 444                 if (device->pending != NULL)
 445                         return __connman_error_in_progress(msg);
 446
 447                 err = set_powered(device, powered);
 448                 if (err < 0) {
 449                         if (err != -EINPROGRESS)
 450                                 return __connman_error_failed(msg, -err);
 451
 452                         device->pending = dbus_message_ref(msg);
 453
 454                         device->timeout = g_timeout_add_seconds(15,
 455                                                 powered_timeout, device);
 456
 457                         return NULL;
 458                 }
 459         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 460                 connman_uint16_t interval;
 461
 462                 switch (device->mode) {
 463                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 464                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 465                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 466                         break;
 467                 }
 468
 469                 if (type != DBUS_TYPE_UINT16)
 470                         return __connman_error_invalid_arguments(msg);
 471
 472                 dbus_message_iter_get_basic(&value, &interval);
 473
 474                 if (device->scan_interval != interval) {
 475                         device->scan_interval = interval;
 476
 477                         __connman_storage_save_device(device);
 478
 479                         reset_scan_trigger(device);
 480                 }
 481         } else
 482                 return __connman_error_invalid_property(msg);
 483
 484         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 485 }
 486
 487 static DBusMessage *propose_scan(DBusConnection *conn,
 488                                         DBusMessage *msg, void *data)
 489 {
 490         struct connman_device *device = data;
 491         int err;
 492
 493         DBG("conn %p", conn);
 494
 495         switch (device->mode) {
 496         case CONNMAN_DEVICE_MODE_UNKNOWN:
 497                 return __connman_error_not_supported(msg);
 498         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 499         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 500                 break;
 501         }
 502
 503         err = __connman_device_scan(device);
 504         if (err < 0)
 505                 return __connman_error_failed(msg, -err);
 506
 507         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 508 }
 509
 510 static GDBusMethodTable device_methods[] = {
 511         { "GetProperties", "",      "a{sv}", get_properties },
 512         { "SetProperty",   "sv",    "",      set_property,
 513                                                 G_DBUS_METHOD_FLAG_ASYNC },
 514         { "ProposeScan",   "",      "",      propose_scan   },
 515         { },
 516 };
 517
 518 static GDBusSignalTable device_signals[] = {
 519         { "PropertyChanged", "sv" },
 520         { },
 521 };
 522
 523 static void append_devices(DBusMessageIter *entry)
 524 {
 525         DBusMessageIter value, iter;
 526         const char *key = "Devices";
 527
 528         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 529
 530         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 531                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 532                                                                 &value);
 533
 534         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 535                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 536         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 537         dbus_message_iter_close_container(&value, &iter);
 538
 539         dbus_message_iter_close_container(entry, &value);
 540 }
 541
 542 static void emit_devices_signal(void)
 543 {
 544         DBusMessage *signal;
 545         DBusMessageIter entry;
 546
 547         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 548                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 549         if (signal == NULL)
 550                 return;
 551
 552         dbus_message_iter_init_append(signal, &entry);
 553
 554         append_devices(&entry);
 555
 556         g_dbus_send_message(connection, signal);
 557 }
 558
 559 static int register_interface(struct connman_element *element)
 560 {
 561         struct connman_device *device = element->device;
 562
 563         DBG("element %p name %s", element, element->name);
 564
 565         if (g_dbus_register_interface(connection, element->path,
 566                                         CONNMAN_DEVICE_INTERFACE,
 567                                         device_methods, device_signals,
 568                                         NULL, device, NULL) == FALSE) {
 569                 connman_error("Failed to register %s device", element->path);
 570                 return -EIO;
 571         }
 572
 573         device->registered = TRUE;
 574
 575         emit_devices_signal();
 576
 577         return 0;
 578 }
 579
 580 static void unregister_interface(struct connman_element *element)
 581 {
 582         struct connman_device *device = element->device;
 583
 584         DBG("element %p name %s", element, element->name);
 585
 586         device->registered = FALSE;
 587
 588         emit_devices_signal();
 589
 590         g_dbus_unregister_interface(connection, element->path,
 591                                                 CONNMAN_DEVICE_INTERFACE);
 592 }
 593
 594 static int setup_device(struct connman_device *device)
 595 {
 596         enum connman_service_type type;
 597         int err;
 598
 599         DBG("device %p", device);
 600
 601         err = register_interface(&device->element);
 602         if (err < 0) {
 603                 if (device->driver->remove)
 604                         device->driver->remove(device);
 605                 device->driver = NULL;
 606                 return err;
 607         }
 608
 609         type = __connman_device_get_service_type(device);
 610         __connman_notifier_register(type);
 611
 612         switch (device->mode) {
 613         case CONNMAN_DEVICE_MODE_UNKNOWN:
 614         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 615         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 616                 break;
 617         }
 618
 619         if (device->offlinemode == FALSE &&
 620                                 device->powered_persistent == TRUE)
 621                 __connman_device_enable(device);
 622
 623         return 0;
 624 }
 625
 626 static void probe_driver(struct connman_element *element, gpointer user_data)
 627 {
 628         struct connman_device_driver *driver = user_data;
 629
 630         DBG("element %p name %s", element, element->name);
 631
 632         if (element->device == NULL)
 633                 return;
 634
 635         if (element->device->driver != NULL)
 636                 return;
 637
 638         if (driver->type != element->device->type)
 639                 return;
 640
 641         if (driver->probe(element->device) < 0)
 642                 return;
 643
 644         element->device->driver = driver;
 645
 646         setup_device(element->device);
 647 }
 648
 649 static void remove_device(struct connman_device *device)
 650 {
 651         enum connman_service_type type;
 652
 653         DBG("device %p", device);
 654
 655         __connman_device_disable(device);
 656
 657         switch (device->mode) {
 658         case CONNMAN_DEVICE_MODE_UNKNOWN:
 659         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 660         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 661                 break;
 662         }
 663
 664         type = __connman_device_get_service_type(device);
 665         __connman_notifier_unregister(type);
 666
 667         unregister_interface(&device->element);
 668
 669         if (device->driver->remove)
 670                 device->driver->remove(device);
 671
 672         device->driver = NULL;
 673 }
 674
 675 static void remove_driver(struct connman_element *element, gpointer user_data)
 676 {
 677         struct connman_device_driver *driver = user_data;
 678
 679         DBG("element %p name %s", element, element->name);
 680
 681         if (element->device == NULL)
 682                 return;
 683
 684         if (element->device->driver == driver)
 685                 remove_device(element->device);
 686 }
 687
 688 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 689 {
 690         if (device == NULL || device->driver == NULL)
 691                 return FALSE;
 692
 693         return device->registered;
 694 }
 695
 696 static GSList *driver_list = NULL;
 697
 698 static gint compare_priority(gconstpointer a, gconstpointer b)
 699 {
 700         const struct connman_device_driver *driver1 = a;
 701         const struct connman_device_driver *driver2 = b;
 702
 703         return driver2->priority - driver1->priority;
 704 }
 705
 706 /**
 707  * connman_device_driver_register:
 708  * @driver: device driver definition
 709  *
 710  * Register a new device driver
 711  *
 712  * Returns: %0 on success
 713  */
 714 int connman_device_driver_register(struct connman_device_driver *driver)
 715 {
 716         DBG("driver %p name %s", driver, driver->name);
 717
 718         driver_list = g_slist_insert_sorted(driver_list, driver,
 719                                                         compare_priority);
 720
 721         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 722                                                 probe_driver, driver);
 723
 724         return 0;
 725 }
 726
 727 /**
 728  * connman_device_driver_unregister:
 729  * @driver: device driver definition
 730  *
 731  * Remove a previously registered device driver
 732  */
 733 void connman_device_driver_unregister(struct connman_device_driver *driver)
 734 {
 735         DBG("driver %p name %s", driver, driver->name);
 736
 737         driver_list = g_slist_remove(driver_list, driver);
 738
 739         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 740                                                 remove_driver, driver);
 741 }
 742
 743 static void unregister_network(gpointer data)
 744 {
 745         struct connman_network *network = data;
 746
 747         DBG("network %p", network);
 748
 749         connman_element_unregister((struct connman_element *) network);
 750
 751         connman_network_unref(network);
 752 }
 753
 754 static void device_destruct(struct connman_element *element)
 755 {
 756         struct connman_device *device = element->device;
 757
 758         DBG("element %p name %s", element, element->name);
 759
 760         if (device->timeout > 0) {
 761                 g_source_remove(device->timeout);
 762                 device->timeout = 0;
 763         }
 764
 765         clear_scan_trigger(device);
 766
 767         if (device->pending != NULL) {
 768                 dbus_message_unref(device->pending);
 769                 device->pending = NULL;
 770         }
 771
 772         g_free(device->ident);
 773         g_free(device->node);
 774         g_free(device->name);
 775         g_free(device->address);
 776         g_free(device->control);
 777         g_free(device->interface);
 778
 779         g_free(device->last_network);
 780
 781         g_hash_table_destroy(device->networks);
 782         device->networks = NULL;
 783 }
 784
 785 /**
 786  * connman_device_create:
 787  * @node: device node name (for example an address)
 788  * @type: device type
 789  *
 790  * Allocate a new device of given #type and assign the #node name to it.
 791  *
 792  * Returns: a newly-allocated #connman_device structure
 793  */
 794 struct connman_device *connman_device_create(const char *node,
 795                                                 enum connman_device_type type)
 796 {
 797         struct connman_device *device;
 798         const char *str;
 799
 800         DBG("node %s type %d", node, type);
 801
 802         device = g_try_new0(struct connman_device, 1);
 803         if (device == NULL)
 804                 return NULL;
 805
 806         DBG("device %p", device);
 807
 808         __connman_element_initialize(&device->element);
 809
 810         device->element.name = g_strdup(node);
 811         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 812
 813         device->element.device = device;
 814         device->element.destruct = device_destruct;
 815
 816         str = type2string(type);
 817         if (str != NULL)
 818                 connman_element_set_string(&device->element,
 819                                         CONNMAN_PROPERTY_ID_TYPE, str);
 820
 821         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 822
 823         device->type      = type;
 824         device->name      = g_strdup(type2description(device->type));
 825         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 826         device->secondary = FALSE;
 827
 828         device->powered_persistent = TRUE;
 829
 830         device->phyindex = -1;
 831
 832         switch (type) {
 833         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 834         case CONNMAN_DEVICE_TYPE_VENDOR:
 835                 device->scan_interval = 0;
 836                 break;
 837         case CONNMAN_DEVICE_TYPE_ETHERNET:
 838         case CONNMAN_DEVICE_TYPE_WIFI:
 839                 device->scan_interval = 300;
 840                 break;
 841         case CONNMAN_DEVICE_TYPE_WIMAX:
 842                 device->scan_interval = 0;
 843                 break;
 844         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 845                 device->scan_interval = 0;
 846                 break;
 847         case CONNMAN_DEVICE_TYPE_GPS:
 848                 device->scan_interval = 0;
 849                 break;
 850         case CONNMAN_DEVICE_TYPE_MBM:
 851         case CONNMAN_DEVICE_TYPE_CELLULAR:
 852         case CONNMAN_DEVICE_TYPE_HSO:
 853         case CONNMAN_DEVICE_TYPE_NOZOMI:
 854         case CONNMAN_DEVICE_TYPE_HUAWEI:
 855         case CONNMAN_DEVICE_TYPE_NOVATEL:
 856                 device->scan_interval = 0;
 857                 break;
 858         }
 859
 860         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 861                                                 g_free, unregister_network);
 862
 863         return device;
 864 }
 865
 866 /**
 867  * connman_device_ref:
 868  * @device: device structure
 869  *
 870  * Increase reference counter of device
 871  */
 872 struct connman_device *connman_device_ref(struct connman_device *device)
 873 {
 874         if (connman_element_ref(&device->element) == NULL)
 875                 return NULL;
 876
 877         return device;
 878 }
 879
 880 /**
 881  * connman_device_unref:
 882  * @device: device structure
 883  *
 884  * Decrease reference counter of device
 885  */
 886 void connman_device_unref(struct connman_device *device)
 887 {
 888         connman_element_unref(&device->element);
 889 }
 890
 891 const char *__connman_device_get_type(struct connman_device *device)
 892 {
 893         return type2string(device->type);
 894 }
 895
 896 /**
 897  * connman_device_get_type:
 898  * @device: device structure
 899  *
 900  * Get type of device
 901  */
 902 enum connman_device_type connman_device_get_type(struct connman_device *device)
 903 {
 904         return device->type;
 905 }
 906
 907 /**
 908  * connman_device_get_name:
 909  * @device: device structure
 910  *
 911  * Get unique name of device
 912  */
 913 const char *connman_device_get_name(struct connman_device *device)
 914 {
 915         return device->element.name;
 916 }
 917
 918 /**
 919  * connman_device_get_path:
 920  * @device: device structure
 921  *
 922  * Get path name of device
 923  */
 924 const char *connman_device_get_path(struct connman_device *device)
 925 {
 926         return device->element.path;
 927 }
 928
 929 /**
 930  * connman_device_set_index:
 931  * @device: device structure
 932  * @index: index number
 933  *
 934  * Set index number of device
 935  */
 936 void connman_device_set_index(struct connman_device *device, int index)
 937 {
 938         device->element.index = index;
 939 }
 940
 941 /**
 942  * connman_device_get_index:
 943  * @device: device structure
 944  *
 945  * Get index number of device
 946  */
 947 int connman_device_get_index(struct connman_device *device)
 948 {
 949         return device->element.index;
 950 }
 951
 952 int __connman_device_get_phyindex(struct connman_device *device)
 953 {
 954         return device->phyindex;
 955 }
 956
 957 void __connman_device_set_phyindex(struct connman_device *device,
 958                                                         int phyindex)
 959 {
 960         device->phyindex = phyindex;
 961 }
 962
 963 /**
 964  * connman_device_set_interface:
 965  * @device: device structure
 966  * @interface: interface name
 967  * @control: control interface
 968  *
 969  * Set interface name of device
 970  */
 971 void connman_device_set_interface(struct connman_device *device,
 972                                 const char *interface, const char *control)
 973 {
 974         g_free(device->element.devname);
 975         device->element.devname = g_strdup(interface);
 976
 977         g_free(device->interface);
 978         device->interface = g_strdup(interface);
 979
 980         g_free(device->control);
 981         device->control = g_strdup(control);
 982
 983         if (device->name == NULL) {
 984                 const char *str = type2description(device->type);
 985                 if (str != NULL && device->interface != NULL)
 986                         device->name = g_strdup_printf("%s (%s)", str,
 987                                                         device->interface);
 988         }
 989 }
 990
 991 const char *connman_device_get_control(struct connman_device *device)
 992 {
 993         return device->control;
 994 }
 995
 996 /**
 997  * connman_device_set_ident:
 998  * @device: device structure
 999  * @ident: unique identifier
1000  *
1001  * Set unique identifier of device
1002  */
1003 void connman_device_set_ident(struct connman_device *device,
1004                                                         const char *ident)
1005 {
1006         g_free(device->ident);
1007         device->ident = g_strdup(ident);
1008 }
1009
1010 const char *__connman_device_get_ident(struct connman_device *device)
1011 {
1012         return device->ident;
1013 }
1014
1015 /**
1016  * connman_device_set_mode:
1017  * @device: device structure
1018  * @mode: network mode
1019  *
1020  * Change network mode of device
1021  */
1022 void connman_device_set_mode(struct connman_device *device,
1023                                                 enum connman_device_mode mode)
1024 {
1025         device->mode = mode;
1026 }
1027
1028 /**
1029  * connman_device_get_mode:
1030  * @device: device structure
1031  *
1032  * Get network mode of device
1033  */
1034 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1035 {
1036         return device->mode;
1037 }
1038
1039 /**
1040  * connman_device_set_secondary:
1041  * @device: device structure
1042  * @secondary: secondary value
1043  *
1044  * Change secondary value of device
1045  */
1046 void connman_device_set_secondary(struct connman_device *device,
1047                                                 connman_bool_t secondary)
1048 {
1049         device->secondary = secondary;
1050 }
1051
1052 /**
1053  * connman_device_get_secondary:
1054  * @device: device structure
1055  *
1056  * Get secondary value of device
1057  */
1058 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1059 {
1060         return device->secondary;
1061 }
1062
1063 /**
1064  * connman_device_set_powered:
1065  * @device: device structure
1066  * @powered: powered state
1067  *
1068  * Change power state of device
1069  */
1070 int connman_device_set_powered(struct connman_device *device,
1071                                                 connman_bool_t powered)
1072 {
1073         enum connman_service_type type;
1074
1075         DBG("driver %p powered %d", device, powered);
1076
1077         if (device->timeout > 0) {
1078                 g_source_remove(device->timeout);
1079                 device->timeout = 0;
1080         }
1081
1082         if (device->pending != NULL) {
1083                 g_dbus_send_reply(connection, device->pending,
1084                                                         DBUS_TYPE_INVALID);
1085
1086                 dbus_message_unref(device->pending);
1087                 device->pending = NULL;
1088         }
1089
1090         if (device->powered == powered)
1091                 return -EALREADY;
1092
1093         device->powered = powered;
1094         device->powered_pending = powered;
1095
1096         type = __connman_device_get_service_type(device);
1097
1098         if (device->powered == TRUE)
1099                 __connman_notifier_enable(type);
1100         else
1101                 __connman_notifier_disable(type);
1102
1103         if (device->registered == FALSE)
1104                 return 0;
1105
1106         powered_changed(device);
1107
1108         if (powered == FALSE)
1109                 return 0;
1110
1111         reset_scan_trigger(device);
1112
1113         if (device->driver->scan)
1114                 device->driver->scan(device);
1115
1116         return 0;
1117 }
1118
1119 int __connman_device_set_blocked(struct connman_device *device,
1120                                                 connman_bool_t blocked)
1121 {
1122         connman_bool_t powered;
1123
1124         DBG("device %p blocked %d", device, blocked);
1125
1126         device->blocked = blocked;
1127
1128         if (device->offlinemode == TRUE)
1129                 return 0;
1130
1131         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
1132
1133         if (blocked == FALSE)
1134                 powered = device->powered_persistent;
1135         else
1136                 powered = FALSE;
1137
1138         return set_powered(device, powered);
1139 }
1140
1141 int __connman_device_scan(struct connman_device *device)
1142 {
1143         if (!device->driver || !device->driver->scan)
1144                 return -EOPNOTSUPP;
1145
1146         if (device->powered == FALSE)
1147                 return -ENOLINK;
1148
1149         reset_scan_trigger(device);
1150
1151         return device->driver->scan(device);
1152 }
1153
1154 int __connman_device_enable(struct connman_device *device)
1155 {
1156         enum connman_service_type type;
1157         int err;
1158
1159         DBG("device %p", device);
1160
1161         if (!device->driver || !device->driver->enable)
1162                 return -EOPNOTSUPP;
1163
1164         if (device->powered_pending == TRUE)
1165                 return -EALREADY;
1166
1167         device->powered_pending = TRUE;
1168
1169         err = device->driver->enable(device);
1170         if (err < 0)
1171                 return err;
1172
1173         device->powered = TRUE;
1174
1175         type = __connman_device_get_service_type(device);
1176         __connman_notifier_enable(type);
1177
1178         return 0;
1179 }
1180
1181 int __connman_device_enable_persistent(struct connman_device *device)
1182 {
1183         DBG("device %p", device);
1184
1185         device->powered_persistent = TRUE;
1186
1187         __connman_storage_save_device(device);
1188
1189         return __connman_device_enable(device);
1190 }
1191
1192 int __connman_device_disable(struct connman_device *device)
1193 {
1194         enum connman_service_type type;
1195         int err;
1196
1197         DBG("device %p", device);
1198
1199         if (!device->driver || !device->driver->disable)
1200                 return -EOPNOTSUPP;
1201
1202         if (device->powered == FALSE)
1203                 return -ENOLINK;
1204
1205         if (device->powered_pending == FALSE)
1206                 return -EALREADY;
1207
1208         device->powered_pending = FALSE;
1209
1210         device->reconnect = FALSE;
1211
1212         clear_scan_trigger(device);
1213
1214         g_hash_table_remove_all(device->networks);
1215
1216         err = device->driver->disable(device);
1217         if (err < 0)
1218                 return err;
1219
1220         device->powered = FALSE;
1221
1222         type = __connman_device_get_service_type(device);
1223         __connman_notifier_disable(type);
1224
1225         return 0;
1226 }
1227
1228 int __connman_device_disable_persistent(struct connman_device *device)
1229 {
1230         DBG("device %p", device);
1231
1232         device->powered_persistent = FALSE;
1233
1234         __connman_storage_save_device(device);
1235
1236         return __connman_device_disable(device);
1237 }
1238
1239 int __connman_device_connect(struct connman_device *device)
1240 {
1241         DBG("device %p", device);
1242
1243         if (device->disconnected == FALSE)
1244                 return -EINVAL;
1245
1246         if (device->driver && device->driver->connect)
1247                 device->driver->connect(device);
1248
1249         return 0;
1250 }
1251
1252 int __connman_device_disconnect(struct connman_device *device)
1253 {
1254         GHashTableIter iter;
1255         gpointer key, value;
1256
1257         DBG("device %p", device);
1258
1259         connman_device_set_disconnected(device, TRUE);
1260
1261         g_hash_table_iter_init(&iter, device->networks);
1262
1263         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1264                 struct connman_network *network = value;
1265
1266                 __connman_network_disconnect(network);
1267         }
1268
1269         if (device->driver && device->driver->disconnect)
1270                 device->driver->disconnect(device);
1271
1272         return 0;
1273 }
1274
1275 static void mark_network_unavailable(gpointer key, gpointer value,
1276                                                         gpointer user_data)
1277 {
1278         struct connman_network *network = value;
1279
1280         if (connman_network_get_connected(network) == TRUE)
1281                 return;
1282
1283         connman_network_set_available(network, FALSE);
1284 }
1285
1286 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1287                                                         gpointer user_data)
1288 {
1289         struct connman_network *network = value;
1290
1291         if (connman_network_get_connected(network) == TRUE)
1292                 return FALSE;
1293
1294         if (connman_network_get_available(network) == TRUE)
1295                 return FALSE;
1296
1297         return TRUE;
1298 }
1299
1300 void __connman_device_cleanup_networks(struct connman_device *device)
1301 {
1302         g_hash_table_foreach_remove(device->networks,
1303                                         remove_unavailable_network, NULL);
1304 }
1305
1306 static void scanning_changed(struct connman_device *device)
1307 {
1308         DBusMessage *signal;
1309         DBusMessageIter entry, value;
1310         const char *key = "Scanning";
1311
1312         signal = dbus_message_new_signal(device->element.path,
1313                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1314         if (signal == NULL)
1315                 return;
1316
1317         dbus_message_iter_init_append(signal, &entry);
1318
1319         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1320
1321         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1322                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1323         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
1324                                                         &device->scanning);
1325         dbus_message_iter_close_container(&entry, &value);
1326
1327         g_dbus_send_message(connection, signal);
1328 }
1329
1330 static void mark_network_available(gpointer key, gpointer value,
1331                                                 gpointer user_data)
1332 {
1333         struct connman_network *network = value;
1334
1335         connman_network_set_available(network, TRUE);
1336 }
1337
1338 void connman_device_cleanup_scanning(struct connman_device *device)
1339 {
1340         device->scanning = FALSE;
1341
1342         scanning_changed(device);
1343
1344         g_hash_table_foreach(device->networks,
1345                                 mark_network_available, NULL);
1346 }
1347
1348 /**
1349  * connman_device_set_scanning:
1350  * @device: device structure
1351  * @scanning: scanning state
1352  *
1353  * Change scanning state of device
1354  */
1355 int connman_device_set_scanning(struct connman_device *device,
1356                                                 connman_bool_t scanning)
1357 {
1358         DBG("device %p scanning %d", device, scanning);
1359
1360         if (!device->driver || !device->driver->scan)
1361                 return -EINVAL;
1362
1363         if (device->scanning == scanning)
1364                 return -EALREADY;
1365
1366         device->scanning = scanning;
1367
1368         scanning_changed(device);
1369
1370         if (scanning == TRUE) {
1371                 reset_scan_trigger(device);
1372
1373                 g_hash_table_foreach(device->networks,
1374                                         mark_network_unavailable, NULL);
1375
1376                 return 0;
1377         }
1378
1379         __connman_device_cleanup_networks(device);
1380
1381         if (device->connections > 0)
1382                 return 0;
1383
1384         if (device->disconnected == TRUE)
1385                 return 0;
1386
1387         __connman_service_auto_connect();
1388
1389         return 0;
1390 }
1391
1392 /**
1393  * connman_device_set_disconnected:
1394  * @device: device structure
1395  * @disconnected: disconnected state
1396  *
1397  * Change disconnected state of device (only for device with networks)
1398  */
1399 int connman_device_set_disconnected(struct connman_device *device,
1400                                                 connman_bool_t disconnected)
1401 {
1402         DBG("device %p disconnected %d", device, disconnected);
1403
1404         switch (device->mode) {
1405         case CONNMAN_DEVICE_MODE_UNKNOWN:
1406                 return -EINVAL;
1407         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1408         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1409                 break;
1410         }
1411
1412         if (device->disconnected == disconnected)
1413                 return -EALREADY;
1414
1415         device->disconnected = disconnected;
1416
1417         if (disconnected == TRUE)
1418                 force_scan_trigger(device);
1419
1420         return 0;
1421 }
1422
1423 /**
1424  * connman_device_get_disconnected:
1425  * @device: device structure
1426  *
1427  * Get device disconnected state
1428  */
1429 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1430 {
1431         return device->disconnected;
1432 }
1433
1434 /**
1435  * connman_device_set_string:
1436  * @device: device structure
1437  * @key: unique identifier
1438  * @value: string value
1439  *
1440  * Set string value for specific key
1441  */
1442 int connman_device_set_string(struct connman_device *device,
1443                                         const char *key, const char *value)
1444 {
1445         DBG("device %p key %s value %s", device, key, value);
1446
1447         if (g_str_equal(key, "Address") == TRUE) {
1448                 g_free(device->address);
1449                 device->address = g_strdup(value);
1450         } else if (g_str_equal(key, "Name") == TRUE) {
1451                 g_free(device->name);
1452                 device->name = g_strdup(value);
1453         } else if (g_str_equal(key, "Node") == TRUE) {
1454                 g_free(device->node);
1455                 device->node = g_strdup(value);
1456         }
1457
1458         return connman_element_set_string(&device->element, key, value);
1459 }
1460
1461 /**
1462  * connman_device_get_string:
1463  * @device: device structure
1464  * @key: unique identifier
1465  *
1466  * Get string value for specific key
1467  */
1468 const char *connman_device_get_string(struct connman_device *device,
1469                                                         const char *key)
1470 {
1471         DBG("device %p key %s", device, key);
1472
1473         if (g_str_equal(key, "Address") == TRUE)
1474                 return device->address;
1475         else if (g_str_equal(key, "Name") == TRUE)
1476                 return device->name;
1477         else if (g_str_equal(key, "Node") == TRUE)
1478                 return device->node;
1479
1480         return connman_element_get_string(&device->element, key);
1481 }
1482
1483 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1484 {
1485         struct connman_device *device = element->device;
1486         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1487         connman_bool_t powered;
1488
1489         DBG("element %p name %s", element, element->name);
1490
1491         if (device == NULL)
1492                 return;
1493
1494         device->offlinemode = offlinemode;
1495
1496         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1497
1498         if (device->powered == powered)
1499                 return;
1500
1501         if (device->powered_persistent == FALSE)
1502                 powered = FALSE;
1503
1504         set_powered(device, powered);
1505 }
1506
1507 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1508 {
1509         DBG("offlinmode %d", offlinemode);
1510
1511         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1512                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1513
1514         __connman_notifier_offlinemode(offlinemode);
1515
1516         return 0;
1517 }
1518
1519 void __connman_device_increase_connections(struct connman_device *device)
1520 {
1521         device->connections++;
1522 }
1523
1524 void __connman_device_decrease_connections(struct connman_device *device)
1525 {
1526         device->connections--;
1527 }
1528
1529 /**
1530  * connman_device_add_network:
1531  * @device: device structure
1532  * @network: network structure
1533  *
1534  * Add new network to the device
1535  */
1536 int connman_device_add_network(struct connman_device *device,
1537                                         struct connman_network *network)
1538 {
1539         const char *identifier = connman_network_get_identifier(network);
1540         int err;
1541
1542         DBG("device %p network %p", device, network);
1543
1544         if (identifier == NULL)
1545                 return -EINVAL;
1546
1547         switch (device->mode) {
1548         case CONNMAN_DEVICE_MODE_UNKNOWN:
1549                 return -EINVAL;
1550         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1551         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1552                 break;
1553         }
1554
1555         __connman_network_set_device(network, device);
1556
1557         err = connman_element_register((struct connman_element *) network,
1558                                                         &device->element);
1559         if (err < 0) {
1560                 __connman_network_set_device(network, NULL);
1561                 return err;
1562         }
1563
1564         g_hash_table_insert(device->networks, g_strdup(identifier),
1565                                                                 network);
1566
1567         return 0;
1568 }
1569
1570 /**
1571  * connman_device_get_network:
1572  * @device: device structure
1573  * @identifier: network identifier
1574  *
1575  * Get network for given identifier
1576  */
1577 struct connman_network *connman_device_get_network(struct connman_device *device,
1578                                                         const char *identifier)
1579 {
1580         DBG("device %p identifier %s", device, identifier);
1581
1582         return g_hash_table_lookup(device->networks, identifier);
1583 }
1584
1585 /**
1586  * connman_device_remove_network:
1587  * @device: device structure
1588  * @identifier: network identifier
1589  *
1590  * Remove network for given identifier
1591  */
1592 int connman_device_remove_network(struct connman_device *device,
1593                                                         const char *identifier)
1594 {
1595         DBG("device %p identifier %s", device, identifier);
1596
1597         g_hash_table_remove(device->networks, identifier);
1598
1599         return 0;
1600 }
1601
1602 void connman_device_remove_all_networks(struct connman_device *device)
1603 {
1604         g_hash_table_remove_all(device->networks);
1605 }
1606
1607 void __connman_device_set_network(struct connman_device *device,
1608                                         struct connman_network *network)
1609 {
1610         const char *name;
1611
1612         if (device->network == network)
1613                 return;
1614
1615         if (device->network != NULL)
1616                 connman_network_unref(device->network);
1617
1618         if (network != NULL) {
1619                 name = connman_network_get_string(network,
1620                                                 CONNMAN_PROPERTY_ID_NAME);
1621                 g_free(device->last_network);
1622                 device->last_network = g_strdup(name);
1623
1624                 device->network = connman_network_ref(network);
1625         } else {
1626                 g_free(device->last_network);
1627                 device->last_network = NULL;
1628
1629                 device->network = NULL;
1630         }
1631 }
1632
1633 void __connman_device_set_reconnect(struct connman_device *device,
1634                                                 connman_bool_t reconnect)
1635 {
1636         device->reconnect = reconnect;
1637 }
1638
1639 connman_bool_t  __connman_device_get_reconnect(
1640                                 struct connman_device *device)
1641 {
1642         return device->reconnect;
1643 }
1644
1645 /**
1646  * connman_device_register:
1647  * @device: device structure
1648  *
1649  * Register device with the system
1650  */
1651 int connman_device_register(struct connman_device *device)
1652 {
1653         __connman_storage_load_device(device);
1654
1655         device->offlinemode = __connman_profile_get_offlinemode();
1656
1657         return connman_element_register(&device->element, NULL);
1658 }
1659
1660 /**
1661  * connman_device_unregister:
1662  * @device: device structure
1663  *
1664  * Unregister device with the system
1665  */
1666 void connman_device_unregister(struct connman_device *device)
1667 {
1668         __connman_storage_save_device(device);
1669
1670         connman_element_unregister(&device->element);
1671 }
1672
1673 /**
1674  * connman_device_get_data:
1675  * @device: device structure
1676  *
1677  * Get private device data pointer
1678  */
1679 void *connman_device_get_data(struct connman_device *device)
1680 {
1681         return device->driver_data;
1682 }
1683
1684 /**
1685  * connman_device_set_data:
1686  * @device: device structure
1687  * @data: data pointer
1688  *
1689  * Set private device data pointer
1690  */
1691 void connman_device_set_data(struct connman_device *device, void *data)
1692 {
1693         device->driver_data = data;
1694 }
1695
1696 static gboolean match_driver(struct connman_device *device,
1697                                         struct connman_device_driver *driver)
1698 {
1699         if (device->type == driver->type ||
1700                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1701                 return TRUE;
1702
1703         return FALSE;
1704 }
1705
1706 static int device_probe(struct connman_element *element)
1707 {
1708         struct connman_device *device = element->device;
1709         GSList *list;
1710
1711         DBG("element %p name %s", element, element->name);
1712
1713         if (device == NULL)
1714                 return -ENODEV;
1715
1716         if (device->driver != NULL)
1717                 return -EALREADY;
1718
1719         for (list = driver_list; list; list = list->next) {
1720                 struct connman_device_driver *driver = list->data;
1721
1722                 if (match_driver(device, driver) == FALSE)
1723                         continue;
1724
1725                 DBG("driver %p name %s", driver, driver->name);
1726
1727                 if (driver->probe(device) == 0) {
1728                         device->driver = driver;
1729                         break;
1730                 }
1731         }
1732
1733         if (device->driver == NULL)
1734                 return -ENODEV;
1735
1736         return setup_device(device);
1737 }
1738
1739 static void device_remove(struct connman_element *element)
1740 {
1741         struct connman_device *device = element->device;
1742
1743         DBG("element %p name %s", element, element->name);
1744
1745         if (device == NULL)
1746                 return;
1747
1748         if (device->driver == NULL)
1749                 return;
1750
1751         remove_device(device);
1752 }
1753
1754 static struct connman_driver device_driver = {
1755         .name           = "device",
1756         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1757         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1758         .probe          = device_probe,
1759         .remove         = device_remove,
1760 };
1761
1762 static int device_load(struct connman_device *device)
1763 {
1764         const char *ident = __connman_profile_active_ident();
1765         GKeyFile *keyfile;
1766         GError *error = NULL;
1767         gchar *identifier;
1768         connman_bool_t powered;
1769         int val;
1770
1771         DBG("device %p", device);
1772
1773         keyfile = __connman_storage_open(ident);
1774         if (keyfile == NULL)
1775                 return 0;
1776
1777         identifier = g_strdup_printf("device_%s", device->element.name);
1778         if (identifier == NULL)
1779                 goto done;
1780
1781         powered = g_key_file_get_boolean(keyfile, identifier,
1782                                                 "Powered", &error);
1783         if (error == NULL)
1784                 device->powered_persistent = powered;
1785         g_clear_error(&error);
1786
1787         switch (device->mode) {
1788         case CONNMAN_DEVICE_MODE_UNKNOWN:
1789                 break;
1790         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1791         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1792                 val = g_key_file_get_integer(keyfile, identifier,
1793                                                 "ScanInterval", &error);
1794                 if (error == NULL && val > 0)
1795                         device->scan_interval = val;
1796                 g_clear_error(&error);
1797                 break;
1798         }
1799
1800 done:
1801         g_free(identifier);
1802
1803         __connman_storage_close(ident, keyfile, FALSE);
1804
1805         return 0;
1806 }
1807
1808 static int device_save(struct connman_device *device)
1809 {
1810         const char *ident = __connman_profile_active_ident();
1811         GKeyFile *keyfile;
1812         gchar *identifier;
1813
1814         DBG("device %p", device);
1815
1816         keyfile = __connman_storage_open(ident);
1817         if (keyfile == NULL)
1818                 return 0;
1819
1820         identifier = g_strdup_printf("device_%s", device->element.name);
1821         if (identifier == NULL)
1822                 goto done;
1823
1824         g_key_file_set_boolean(keyfile, identifier,
1825                                         "Powered", device->powered_persistent);
1826
1827         switch (device->mode) {
1828         case CONNMAN_DEVICE_MODE_UNKNOWN:
1829                 break;
1830         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1831         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1832                 if (device->scan_interval > 0)
1833                         g_key_file_set_integer(keyfile, identifier,
1834                                         "ScanInterval", device->scan_interval);
1835                 break;
1836         }
1837
1838 done:
1839         g_free(identifier);
1840
1841         __connman_storage_close(ident, keyfile, TRUE);
1842
1843         return 0;
1844 }
1845
1846 static struct connman_storage device_storage = {
1847         .name           = "device",
1848         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1849         .device_load    = device_load,
1850         .device_save    = device_save,
1851 };
1852
1853 int __connman_device_init(void)
1854 {
1855         DBG("");
1856
1857         connection = connman_dbus_get_connection();
1858
1859         if (connman_storage_register(&device_storage) < 0)
1860                 connman_error("Failed to register device storage");
1861
1862         return connman_driver_register(&device_driver);
1863 }
1864
1865 void __connman_device_cleanup(void)
1866 {
1867         DBG("");
1868
1869         connman_driver_unregister(&device_driver);
1870
1871         connman_storage_unregister(&device_storage);
1872
1873         dbus_connection_unref(connection);
1874 }